login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A144847 Denominators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial u_n(x), used to approximate x->sin(Pi*x)/Pi. 4
1, 2, 2, 8, 4, 8, 88, 22, 88, 44, 2048, 64, 1024, 256, 2048, 78656, 4916, 19664, 39328, 78656, 39328, 4439936, 34687, 277496, 1109984, 4439936, 1109984, 2219968, 344674688, 2692771, 21542168, 43084336, 344674688, 86168672, 172337344 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Alois P. Heinz, Rows n = 0..99, flattened

MAPLE

seq(seq(denom(T(n, k)), k=0..n), n=0..9);

CROSSREFS

See A144846 for more information on T(n,k).

Sequence in context: A120399 A144816 A134812 * A143625 A003612 A103839

Adjacent sequences:  A144844 A144845 A144846 * A144848 A144849 A144850

KEYWORD

frac,nonn,tabl

AUTHOR

Alois P. Heinz, Sep 22 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 2 21:20 EST 2016. Contains 278694 sequences.